Patent · US Expired

Uninterruptible power supply input power walk-in

US5633539A · kind A · utility

13Cited by
12References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 27, 1995
Grant dateMay 27, 1997
Priority date
Expiry dateJan 27, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S323/908
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An UPS system provides a true input power walk-in. The UPS adjusts the level of power supplied from an input port to a load on an output port as a function of a level of current of a power supplied from a backup power source to the load on the output port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.